Talisayon, S. D. (1990). Land resources carrying capacity of the Ilocos Region. Population/Development Planning and Research Project, National Economic and Development Authority.
Chicago-Zitierstil (17. Ausg.)Talisayon, Serafin D. Land Resources Carrying Capacity of the Ilocos Region. [Manila]: Population/Development Planning and Research Project, National Economic and Development Authority, 1990.
MLA-Zitierstil (9. Ausg.)Talisayon, Serafin D. Land Resources Carrying Capacity of the Ilocos Region. Population/Development Planning and Research Project, National Economic and Development Authority, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.